1. Assumptions in this scenario included a more ambitious policy
for gas use in China, lower growth of nuclear power, greater
production of unconventional gas and lower gas prices. Underlying
the assumption that unconventional gas production increases, would
be a view that barriers to production are largely overcome and that
increased supplies become available in other regions at costs
comparable to those in North America.

2. The New Policies scenario took account of existing government
policies and declared future intentions as of mid-2010.

3. National Energy Modelling System, Resources for the Future
version.

4.
BAEGEM,
G-
CAM,
MESSAGE,
REMIND,
WITCH.

5. This scenario is not presented as a likely case, but more
like an upper bound to test implications.